body, div {
  margin: 0;
  padding: 0;
  font-family: Microsoft Yahei; }

h1, h2, h3, h4, h5, h6 {
  font-weight: normal;
  margin: 0;
  padding: 0; }

.header {
  color: #fff;
  background: #3877b6;
  height: 100px;
  width: 100%; }
  .header .left {
    float: left;
    width: 50%; }
    .header .left h1 {
      line-height: 100px;
      margin-left: 10%;
      font-size: 2.2em; }
  .header .right {
    float: right;
    width: 50%; }
    .header .right h1 {
      text-align: right;
      line-height: 100px;
      margin-right: 10%;
      font-size: 1em; }
      .header .right h1 span {
        margin-left: 10px;
        cursor: pointer; }
